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Finding the Fourth Proportional to 317,321.30, 476,026.56 and 92,698.17

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Solution

The fourth proportional to 317,321.30, 476,026.56 and 92,698.17 is: 139,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,321.30 : 476,026.56 = 92,698.17 : x
  2. Step 2: Convert to fraction form
    317,321.30/476,026.56 = 92,698.17/x
  3. Step 3: Cross multiply
    317,321.30x = 476,026.56 × 92,698.17
  4. Step 4: Simplify right side
    317,321.30x = 44,126,790,983.40
  5. Step 5: Solve for x
    x = 44,126,790,983.40/317,321.30
  6. Step 6: Final answer
    x = 139,060.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.